.layout {
  width: 100%;
  height: 100%;
  padding: 0 25px;
}
.my_lessons_head {
  width: 100%;
  height: 120px;
  padding: 20px 0;
  .lessons_head_box {
    width: 405px;
    height: 100%;
    background-color: #ffc72c;
    margin: 0 auto;
    border-radius: 15px;
    padding: 5px;
    ul {
      width: 100%;
      height: 100%;
      li {
        width: 50%;
        height: 100%;
        float: left;
        position: relative;
        border-radius: 15px;
        a {
          display: block;
          width: 100%;
          height: 100%;
          padding: 3px;
          color: #fff;
          font-size: 26px;
          text-align: center;
          position: absolute;
          top: 16px;

        }
      }
    }
  }
}
.my_lessons_head .lessons_head_box li.current {
  background: #fff;
}
.my_lessons_head .lessons_head_box li.current a {
  color: #ffc72c;
}
.my_lessons_info {
  width: 100%;
  margin-bottom: 100px;
  .lessons_info_box {
    width: 100%;
    border-top: 1px solid #ccc;
    padding: 20px 0;
    .info_box_left {
      width: 280px;
      height: 155px;
      float: left;
      border-radius: 20px;
      -webkit-box-shadow:  3px 3px 3px #ccc;
      -moz-box-shadow: 3px 3px 3px #ccc;
      box-shadow: 3px 3px 3px #ccc;
      -webkit-box-shadow:  -3px -3px -3px #ccc;
      -moz-box-shadow: -3px -3px -3px #ccc;
      box-shadow: -3px -3px -3px #ccc;
      margin-right: 30px;
      overflow: hidden;
      img {
        width: 100%;
        height: 100%;
        overflow: hidden;
      }
    }
    .info_box_right {
      height: 100%;
      overflow: hidden;
      h3 {
        font-size: 36px;
        color: #5e5e63;
      }
      p {
        font-size: 26px;
        color: #b9b9b9;
        margin-top: 10px;
        margin-bottom: 13px;
      }
      a {
        display: block;
        width: 135px;
        height: 45px;
        float: left;
        background-color: #ffc72c;
        border-radius: 10px;
        text-align: center;
        line-height: 45px;
        color: #fff;
        font-size: 28px;
        margin-right: 15px;
      }
    }
  }
}
.mainCourse_footer {
  width: 100%;
  height: 100px;
  background-color: #4a4a4a;
  position: fixed;
  left: 0;
  bottom: 0;
  ul {
    width: 100%;
    height: 100%;
    li {
      float: left;
      width: 25%;
      height: 100%;
      a {
        display: block;
        width: 100%;
        height: 100%;
        text-align: center;
        img {
          margin-top: 12px;
          width: 40px;
          height: 40px;
        }
        p {
          color: #fff;
          font-size: 27px;
        }
      }
    }
  }
}